Chassis: Channel steel welding and protection by rustproof painting, Shock absorption system that can load 3.5 tons, Two 14-inch Hantai tires, The systems of brakes and turn signal, A fixed frame for the trailer in front , the ball-type linker, security chain

Water and drainage systems: a hand-washing pool, a freshwater tank, a wastewater recycling bins outside is a water-inlet interface

Electricity distribution: including light, electrical sockets and display lights in the Showcase, power protection devices, etc.